An efficient container apparatus equipped with at least one removable separator is described. The at least one separator is disposed within a cavity of the container, and is configured to separate frozen contents housed within the container in order to prevent the sticking of the food contents together into a singular mass during freezing and/or refreezing. The at least one separator is preferably a cross-sectional separator, configured to temporarily divide the cavity of the container. The use of the present invention is designed for the preparation, and consumption thereof, a smoothie or similar frozen mixed product. After blending of the frozen food contents, the contents may be returned to the container to facilitate consumption of the smoothie from the container via a straw or spoon.